JP2008085859A5 - - Google Patents

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JP2008085859A5
JP2008085859A5 JP2006265424A JP2006265424A JP2008085859A5 JP 2008085859 A5 JP2008085859 A5 JP 2008085859A5 JP 2006265424 A JP2006265424 A JP 2006265424A JP 2006265424 A JP2006265424 A JP 2006265424A JP 2008085859 A5 JP2008085859 A5 JP 2008085859A5
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photoelectric conversion
image sensor
cmos image
conversion means
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JP2006265424A
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JP4789767B2 (en
JP2008085859A (en
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Priority to JP2006265424A priority Critical patent/JP4789767B2/en
Priority claimed from JP2006265424A external-priority patent/JP4789767B2/en
Priority to US11/849,578 priority patent/US7978226B2/en
Priority to CN2007101523957A priority patent/CN101155269B/en
Publication of JP2008085859A publication Critical patent/JP2008085859A/en
Publication of JP2008085859A5 publication Critical patent/JP2008085859A5/ja
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光電変換手段と、前記光電変換手段をリセットするリセット手段とを含む、複数画素を備えたＣＭＯＳイメージセンサと、
予め決められたフィールド期間の間に、前記リセット手段により前記光電変換手段を行毎に順次リセットし、前記光電変換手段で発生した電荷信号を行毎に順次読み出すように前記ＣＭＯＳイメージセンサを駆動する駆動手段と、
各フィールドの読み出し開始行が常に一定になるように前記ＣＭＯＳイメージセンサを駆動する第１のモードと、各フィールドの読み出し開始行を前記フィールド毎に変更可能に前記ＣＭＯＳイメージセンサを駆動する第２のモードとのいずれかにより前記駆動手段を制御する制御手段とを有し、
前記制御手段は、前記第２のモードで前記フィールド期間に占める前記光電変換手段の電荷蓄積期間が、前記第１のモードで前記フィールド期間に占める記光電変換手段の電荷蓄積期間よりも短くすると共に、前記第２のモードにおける連続する２フィールド間での前記読み出し開始行の変更行数が、前記第１のモードでの前記電荷蓄積時間から前記第２のモードでの前記電荷蓄積時間を引いた差を、前記ＣＭＯＳイメージセンサの１行あたりの読み出しにかかる時間で除した商以下となるように、前記駆動手段を制御することを特徴とする撮像装置。 A CMOS image sensor comprising a plurality of pixels, including a photoelectric conversion means and a reset means for resetting the photoelectric conversion means ;
During the predetermined field period, the photoelectric conversion unit sequentially reset for each row by the reset means, to drive the CMOS image sensor so as to sequentially read out the charge signal generated by the photoelectric conversion means for each row and drive means,
A first mode in which the read start line of each field are always driving the CMOS image sensor so as to be constant, the reading start line in each field a second for driving the CMOS image sensor can be changed for each of the field Control means for controlling the drive means according to any of the modes,
The control means makes the charge accumulation period of the photoelectric conversion means occupying the field period in the second mode shorter than the charge accumulation period of the photoelectric conversion means occupying the field period in the first mode. The number of read start rows changed between two consecutive fields in the second mode is obtained by subtracting the charge accumulation time in the second mode from the charge accumulation time in the first mode. An image pickup apparatus , wherein the drive unit is controlled so that a difference is equal to or less than a quotient obtained by dividing a difference by a time required for reading out per row of the CMOS image sensor . 前記制御手段は、手ブレ補正無しの場合に前記第１のモードで制御し、手振れ補正ありの場合に前記第２のモードで制御することを特徴とする請求項１に記載の撮像装置。 Wherein the control means controls the case without the camera shake correction in the first mode, the image pickup apparatus according to claim 1, characterized in that controlled by the second mode when the Yes image stabilization. 前記制御手段は、電子ズームを実施しない場合に前記第１のモードで制御し、電子ズームを実施する場合に前記第２のモードで制御することを特徴とする請求項１に記載の撮像装置。 Wherein the control means controls the above if not implemented electronic zoom first mode, the image pickup apparatus according to claim 1, characterized in that controlled by the second mode when performing the electronic zooming. 光電変換手段と、前記光電変換手段をリセットするリセット手段とを含む、複数画素を備えたＣＭＯＳイメージセンサと、予め決められたフィールド期間の間に、前記リセット手段により前記光電変換手段を行毎に順次リセットし、前記光電変換手段で発生した電荷信号を行毎に順次読み出すように前記ＣＭＯＳイメージセンサを駆動する駆動手段とを有する撮像装置の制御方法であって、
各フィールドの読み出し開始行が常に一定になるように前記ＣＭＯＳイメージセンサを駆動する第１のモードと、各フィールドの読み出し開始行を前記フィールド毎に変更可能に前記ＣＭＯＳイメージセンサを駆動する第２のモードとのいずれかにより前記駆動手段を制御する制御工程を有し、
前記制御工程では、前記第２のモードで前記フィールド期間に占める前記光電変換手段の電荷蓄積期間が、前記第１のモードで前記フィールド期間に占める記光電変換手段の電荷蓄積期間よりも短くすると共に、前記第２のモードにおける連続する２フィールド間での前記読み出し開始行の変更行数が、前記第１のモードでの前記電荷蓄積時間から前記第２のモードでの前記電荷蓄積時間を引いた差を、前記ＣＭＯＳイメージセンサの１行あたりの読み出しにかかる時間で除した商以下となるように、前記駆動手段を制御することを特徴とする撮像装置の制御方法。 A CMOS image sensor having a plurality of pixels, including a photoelectric conversion means and a reset means for resetting the photoelectric conversion means, and the photoelectric conversion means for each row by the reset means during a predetermined field period. a method for controlling an imaging apparatus having a driving means for sequentially resetting, driving the CMOS image sensor so as to sequentially read out the charge signal generated by the photoelectric conversion means for each row,
A first mode in which the read start line of each field are always driving the CMOS image sensor so as to be constant, the reading start line in each field a second for driving the CMOS image sensor can be changed for each of the field A control step of controlling the driving means according to any of the modes ,
In the control step, the charge accumulation period of the photoelectric conversion means occupying the field period in the second mode is made shorter than the charge accumulation period of the photoelectric conversion means occupying the field period in the first mode. The number of read start rows changed between two consecutive fields in the second mode is obtained by subtracting the charge accumulation time in the second mode from the charge accumulation time in the first mode. An image pickup apparatus control method comprising: controlling the drive means so that a difference is equal to or less than a quotient obtained by dividing a difference by a time required for reading out per row of the CMOS image sensor .
JP2006265424A 2006-09-28 2006-09-28 Imaging apparatus and control method thereof Expired - Fee Related JP4789767B2 (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP2006265424A JP4789767B2 (en) 2006-09-28 2006-09-28 Imaging apparatus and control method thereof
US11/849,578 US7978226B2 (en) 2006-09-28 2007-09-04 Imaging apparatus and system adopting extraction-type, camera shake correction, and control method thereof
CN2007101523957A CN101155269B (en) 2006-09-28 2007-09-28 Imaging apparatus, control method thereof, and imaging system

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JP2006265424A JP4789767B2 (en) 2006-09-28 2006-09-28 Imaging apparatus and control method thereof

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JP2008085859A JP2008085859A (en) 2008-04-10
JP2008085859A5 true JP2008085859A5 (en) 2009-11-05
JP4789767B2 JP4789767B2 (en) 2011-10-12

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US (1) US7978226B2 (en)
JP (1) JP4789767B2 (en)
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JP5755204B2 (en) * 2012-09-12 2015-07-29 キヤノン株式会社 Imaging apparatus and control method thereof, and lens unit and control method thereof
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